December weather forecast
Chestnut Mound, TN

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Weather in December

The first month of the winter, December, is also a frosty month in Chestnut Mound, Tennessee, with an average temperature ranging between min 35.2°F (1.8°C) and max 48.6°F (9.2°C).

Temperature

The shift from November to December includes a small decrease in the average high-temperature, from a moderate 56.7°F (13.7°C) to a frosty 48.6°F (9.2°C). The low-temperature averages to a wintry 35.2°F (1.8°C) during the nights of December.

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

In December, the rain falls for 13.5 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. In Chestnut Mound, during the entire year, the rain falls for 177.2 days and collects up to 40.94" (1040mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Chestnut Mound, in December, during 2.6 snowfall days, 0.39" (10mm) of snow is typically accumulated. Throughout the year, there are 14 snowfall days, and 3.58" (91mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:36 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:38 pm CST.

Sunshine

In December, the average sunshine is 4.6h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

An average high-temperature, in December, in Chestnut Mound, is 48.6°F (9.2°C) and the average low-temperature is 35.2°F (1.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is estimated at 84.2°F (29°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 80%.

What is the average humidity in December?

In Chestnut Mound, the average relative humidity in December is 80%.

How much does it rain in December?

In Chestnut Mound, in December, during 13.5 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 2.6 days. Throughout December, 0.39" (10mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Chestnut Mound have in December?

The average day length in December is 9h and 44min.

What time are sunrise and sunset in December in Chestnut Mound?

In December, on the first day of the month, sunrise is at 6:36 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:38 pm CST.

How many hours of sunshine does Chestnut Mound have in December?

In Chestnut Mound, the average sunshine duration in December is 4.6h.

When is the lowest UV index?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chestnut Mound, TN

Average temperature in December - Chestnut Mound, TN
  • Average high temperature in December: 48.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in December
Chestnut Mound, TN

Average pressure in December - Chestnut Mound, TN
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Chestnut Mound, TN

Average wind speed in December - Chestnut Mound, TN
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Chestnut Mound, TN

Average humidity in December - Chestnut Mound, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).

Average rainfall in December
Chestnut Mound, TN

Average rainfall in December - Chestnut Mound, TN
  • Average rainfall in December: 3.27"

The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in December
Chestnut Mound, TN

Average rainfall days in December - Chestnut Mound, TN
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in December
Chestnut Mound, TN

Average snowfall in December - Chestnut Mound, TN
  • Average snowfall in December: 0.39"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Chestnut Mound, TN

Average snowfall days in December - Chestnut Mound, TN
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Chestnut Mound, TN

Average daylight in December / Average sunshine in December - Chestnut Mound, TN
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in December
Chestnut Mound, TN

Average sunshine days in December - Chestnut Mound, TN
  • Average sunshine days in December: 15.2 days

The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).

Average UV index in December
Chestnut Mound, TN

Average UV index in December - Chestnut Mound, TN
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Chestnut Mound, TN

Average cloud cover in December - Chestnut Mound, TN
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Chestnut Mound, TN

Average visibility in December - Chestnut Mound, TN
  • Average visibility in December: 6mi

The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).

Chestnut Mound, Tennessee, USA

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